function setCookie(c_name,value,expiredays)

{

var exdate=new Date()

exdate.setDate(exdate.getDate()+expiredays)

document.cookie=c_name+ "=" +escape(value)+

((expiredays==null) ? "" : ";expires="+exdate)

}



function getCookie(c_name)

{

if (document.cookie.length>0)

  {

  c_start=document.cookie.indexOf(c_name + "=")

  if (c_start!=-1)

    { 

    c_start=c_start + c_name.length+1 

    c_end=document.cookie.indexOf(";",c_start)

    if (c_end==-1) c_end=document.cookie.length

    return unescape(document.cookie.substring(c_start,c_end))

    } 

  }

return null

}



function toggleClock()

{

	var clock = document.getElementById('clock');

	if( getCookie("timeformat") == "12" )

	{

		setCookie("timeformat","24",30);

		clock.innerHTML = getClock24();

	}

	else

	{

		setCookie("timeformat","12",30);

		clock.innerHTML = getClock12();

	}

}



function getClock24()

{

	var today=new Date();

	var h=today.getHours();

	var m=today.getMinutes();

	

	if (h < 10)

		h = "0"+h.toString();

	if (m < 10)

		m = "0"+m.toString();

	

	return h+":"+m;

}



function getClock12()

{

	var today=new Date();

	var htmp=today.getHours();

	var m=today.getMinutes();

	if (htmp > 12) 

		var h = htmp - 12;

	else

		var h = htmp;

		

	if (h < 10)

		h = "0"+h.toString();

	if (m < 10)

		m = "0"+m.toString();

		

	if (htmp <= 12)

		return h+":"+m+" am";

	else

		return h+":"+m+" pm";

}



function initclock()

{

	var clock = document.getElementById('clock');

	if( getCookie("timeformat") == "12" )

		clock.innerHTML = getClock12();

	else

		clock.innerHTML = getClock24();

}